Mercurial > repos > shellac > sam_consensus_v3
view env/lib/python3.9/site-packages/pip/_internal/commands/help.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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from pip._internal.cli.base_command import Command from pip._internal.cli.status_codes import SUCCESS from pip._internal.exceptions import CommandError from pip._internal.utils.typing import MYPY_CHECK_RUNNING if MYPY_CHECK_RUNNING: from optparse import Values from typing import List class HelpCommand(Command): """Show help for commands""" usage = """ %prog <command>""" ignore_require_venv = True def run(self, options, args): # type: (Values, List[str]) -> int from pip._internal.commands import ( commands_dict, create_command, get_similar_commands, ) try: # 'pip help' with no args is handled by pip.__init__.parseopt() cmd_name = args[0] # the command we need help for except IndexError: return SUCCESS if cmd_name not in commands_dict: guess = get_similar_commands(cmd_name) msg = [f'unknown command "{cmd_name}"'] if guess: msg.append(f'maybe you meant "{guess}"') raise CommandError(' - '.join(msg)) command = create_command(cmd_name) command.parser.print_help() return SUCCESS